A Never Before Seen Optical Trick Creates Ultra-Secure Cash
Imagine a bill covered with microscopic holes that make it glow slightly in the light. It's tech borrowed from a butterfly, and it may soon be foiling counterfeiters around the world.If all goes as planned, the world's supply of cash will soon be secured with a nano-scale optical defense that is as secure as it is visually impressive. Source: FastCompany - Discipline: Materials Science...
Source: LabSpaces - Monday, 12 December
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